Blar i Department of Physics and Technology på tittel

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    • Effects of motion correction, sampling rate and parametric modelling in dynamic contrast enhanced MRI of the temporomandibular joint in children affected with juvenile idiopathic arthritis 

      Starck, Lea; Andersen, Erling; Macíček, Ondřej; Angenete, Oskar W; Augdal, Thomas Angell; Rosendahl, Karen; Jirík, Radovan; Grüner, Renate (Journal article; Peer reviewed, 2021)
      The temporomandibular joint (TMJ) is typically involved in 45–87% of children with Juvenile Idiopathic Arthritis (JIA). Accurate diagnosis of JIA is difficult as various clinical tests, including MRI, disagree. The purpose ...

    • Effects of Multi-Shell Free Water Correction on Glioma Characterization 

      Starck, Lea; Zaccagna, Fulvio; Pasternak, Ofer; Gallagher, Ferdia A.; Grüner, Renate; Riemer, Frank (Journal article; Peer reviewed, 2021)
      Diffusion MRI is a useful tool to investigate the microstructure of brain tumors. However, the presence of fast diffusing isotropic signals originating from non-restricted edematous fluids, within and surrounding tumors, ...

    • Effects of nonlinear sound propagation in fisheries research 

      Pedersen, Audun (Doctoral thesis, 2007-03-30)

    • Effects of salinity on hydrate stability and implications for storage of CO2 in natural gas hydrate reservoirs 

      Husebø, Jarle; Ersland, Geir; Graue, Arne; Kvamme, Bjørn (Peer reviewed; Journal article, 2009-02)
      The win-win situation of CO2 storage in natural gas hydrate reservoirs is attractive for several reasons in addition to the associated natural gas production. Since both pure CO2 and pure methane form structure I hydrate ...

    • Effects of the guide field on electron distribution functions in the diffusion region of asymmetric reconnection 

      Bessho, Naoki; Chen, Lijen; Wang, Shan; Hesse, Michael (Peer reviewed; Journal article, 2019)
      Crescent electron distribution functions in the electron diffusion region in asymmetric reconnection with a guide field (strength less than 50% of the upstream magnetic field) are investigated by theory and fully kinetic ...

    • Efficacy and User Experience of a Novel X-Ray Shield on Operator Radiation Exposure during Cardiac Catheterization: A Randomized Controlled Trial 

      Davidsen, Cedric; Ytre-Hauge, Kristian Smeland; Samnøy, Andreas Tefre; Vikenes, Kjell; Lancellotti, Patrizio; Tuseth, Vegard (Journal article; Peer reviewed, 2023)
      BACKGROUND: Radiation shielding is mandatory during cardiac catheterization, but there is a need to improve efficacy and ease of use. METHODS: The aim of the study was to assess the shielding effect and user feedback ...

    • Efficient Monte Carlo simulation reveals significant multiple scattering errors in underwater angular scattering measurements 

      Ugulen, Håvard Stavn; Sandven, Håkon; Hamre, Børge; Kristoffersen, Arne Skodvin; Sætre, Camilla (Journal article; Peer reviewed, 2022)
      Multiple scattering can severely affect the accuracy of optical instrumentation. Variance reduction methods have been implemented to improve a Monte Carlo model developed to simulate volume scattering functions measured ...

    • Ein numerisk studie av ammoniakkspreiing i eit urbant område ved bruk av simuleringsverktøyet FLACS 

      Kissner, Sigrid Skipenes (Master thesis, 2018-06-20)
      Ammoniakk er eit giftig stoff som kan føre til skade på menneske og dyr som vert utsett for det. Då store mengder ammoniakk vert frakta og lagra i urbane områder som væske under trykk, vil det ugjere ei stor fare for ...

    • Eksperimentell bestemmelse av laminære forbrenningshastigheter og Markstein-lengder for H2-luft blandinger tilsatt N2/CO2 

      Vrangsund, Tor Martin (Master thesis, 2019-06-25)
      CFD-baserte beregningsverktøy for konsekvensmodellering avhenger av pålitelige eksperimentelle data for å utføre korrekte risikoanalyser i industrien. I denne oppgaven er laminær forbrenningshastighet og Markstein-lengde ...

    • Eksperimentell og numerisk sammenligning av ikke-lineære fokuserte bølger 

      Kvamme, Juli Grønaas (Master thesis, 2023-06-01)
      For konstruksjoner som brukes i off-shore-miljø, utføres tester i bølgetanker hvor det blir generert en havtilstand for å representere ikke-lineære bølgelaster. Et alternativ til slike tester er numeriske simuleringer. ...

    • Eksperimentell studie av vannbasert EOR i karbonatreservoarer 

      Sandven, Asle (Master thesis, 2009-11-20)
      Ulike metoder for økt oljeutvinning (EOR, eng. Enhanced Oil Recovery) har blitt utviklet og anvendt for å forbedre effektiviteten av konvensjonell vannflømming. Hensikten med EOR er å bedre den mikroskopiske fortrengning ...

    • Eksperimentell undersøkelse med modellturbin under konstant slep og bølgebelastning 

      Tolleifsen, Sondre (Master thesis, 2023-06-01)
      Med økende behov for fornybar energi forventes vindkraft-teknologi å utvikles betydelig i tiden som kommer. Havvind, vindturbiner til havs, er hovedsakelig bunnfaste vindturbiner, men flytende konsepter etableres for fult ...

    • Eksperimentelle analyser av forankringsløsninger for Egget®. 

      Klaussen, Frida (Master thesis, 2023-06-01)
      Havbruksnæringen i Norge er en voksende industri, som bidrar til å skape betydelige antall arbeidsplasser og inntekter i hele landet. Etterspørselen av oppdrettsfisk er stor både i inn- og utland, og industrien har økt i ...

    • Elastic wave velocities and attenuation under methane hydrate growth in Bentheim sandstone - Measurements and modelling 

      Sæther, Mathias (Doctoral thesis, 2018-12-18)
      Due to the potential for using methane hydrates as an energy source, localizing, monitoring and describing hydrate deposit areas are of interest. This has previously been attempted by using acoustic methods and thus ...

    • Electric spark energy required for igniting transient clouds of lycopodium dust in air using inherent dust cloud triggering of spark discharge. Influences of selected experimental parameters. 

      Dagpin, Michelle Magtuto (Master thesis, 2016-12-01)
      The catastrophic outcome of accidental explosions to humans and property has caused an increased need for new knowledge in order to prevent and mitigate the effects of such events. Amongst other substances, a wide range ...

    • Electric spark ignition of sensitive dust clouds in the sub 1 mJ range 

      Randeberg, Erlend (Doctoral thesis, 2006-05-30)
      This thesis describes a study of the minimum ignition energy (MIE) of easily ignitable dust clouds in air. The MIE is a central parameter when assessing the risk involved when handling combustible dusts. Current standard ...

    • Electrojet Estimates From Mesospheric Magnetic Field Measurements 

      Laundal, Karl Magnus; Yee, J.H.; Merkin, V.G.; Gjerløv, Jesper; Vanhamäki, H.; Reistad, Jone Peter; Madelaire, Michael; Sorathia, K.; Espy, Patrick Joseph (Journal article; Peer reviewed, 2021)
      The auroral electrojet is traditionally measured remotely with magnetometers on ground or in low Earth orbit (LEO). The sparse distribution of measurements, combined with a vertical distance of some 100 km to ground and ...

    • Electron Acceleration and Thermalization at Magnetotail Separatrices 

      Norgren, Astrid Elisabet Cecilia; Hesse, Michael; Graham, Daniel B.; Khotyaintsev, Yuri V.; Tenfjord, Paul; Vaivads, Andris; Steinvall, Konrad; Xu, Yin; Gershman, Daniel J; Lindqvist, Per-Arne; Plaschke, Ferdinand; Burch, James L (Journal article; Peer reviewed, 2020)
      In this study we use the Magnetospheric Multiscale mission to investigate the electron acceleration and thermalization occurring along the magnetic reconnection separatrices in the magnetotail. We find that initially cold ...

    • Electron and photon energy calibration with the ATLAS detector using 2015–2016 LHC proton-proton collision data 

      Aaboud, Morad; Aad, Georges; Abbott, Brad; Abbott, Dale C.; Abdinov, Ovsat Bahram oglu; Abeloos, Baptiste; Abhayasinghe, Deshan Kavishka; Abidi, Syed Haider; AbouZeid, Hass; Abraham, Nadine L.; Buanes, Trygve; Djuvsland, Julia Isabell; Eigen, Gerald; Fomin, Nikolai; Lipniacka, Anna; Martin dit Latour, Bertrand; Mæland, Steffen; Stugu, Bjarne; Yang, Zongchang; Bugge, Magnar Kopangen; Cameron, David Gordon; Catmore, James Richard; Feigl, Simon; Franconi, Laura; Garonne, Vincent; Gramstad, Eirik; Hellesund, Simen; Morisbak, Vanja; Oppen, Henrik; Ould-Saada, Farid; Pedersen, Maiken; Read, Alexander Lincoln; Røhne, Ole Myren; Sandaker, Heidi; Serfon, Cédric; Stapnes, Steinar; Vadla, Knut Oddvar Høie; Abramowicz, Halina; Abreu, Henso; Abulaiti, Yiming; Acharya, Bobby S.; Adachi, Shunsuke; Adam, Lennart; Adamczyk, Leszek; Adamek, Lukas; Adelman, Jareed; Adersberger, Michael; Adigüzel, Aytül; Adye, Tim; Affolder, Anthony Allen; ATLAS, Collaboration (Peer reviewed; Journal article, 2019)
      This paper presents the electron and photon energy calibration obtained with the ATLAS detector using about 36 fb−1 of LHC proton-proton collision data recorded at √ s = 13 TeV in 2015 and 2016. The different calibration ...

    • Electron and photon energy calibration with the ATLAS detector using LHC Run 1 data 

      Aad, Georges; Abbott, Brad; Abdallah, Jalal; Abdel Khalek, Samah; Abdinov, Ovsat Bahram oglu; Aben, Rosemarie; Abi, Babak; Abolins, Maris; AbouZeid, Hass; Abramowicz, Halina; Buanes, Trygve; Dale, Ørjan; Eigen, Gerald; Kastanas, Alex; Liebig, Wolfgang; Lipniacka, Anna; Martin dit Latour, Bertrand; Rosendahl, Peter Lundgaard; Sandaker, Heidi; Sjursen, Therese B.; Smestad, Lillian; Stugu, Bjarne; Ugland, Maren; Bugge, Lars; Bugge, Magnar Kopangen; Cameron, David Gordon; Catmore, James Richard; Czyczula, Zofia; Franconi, Laura; Gjelsten, Børge Kile; Gramstad, Eirik; Ould-Saada, Farid; Pedersen, Maiken; Pajchel, Katarina; Read, Alexander Lincoln; Røhne, Ole Myren; Stapnes, Steinar; Strandlie, Are; Abreu, Henso; Abreu, Rômulo F.; Adamczyk, Leszek; Adams, David; Adelman, Jareed; Adomeit, Stefanie; Adye, Tim; Agatonovic-Jovin, Tatjana; Aguilar Saavedra, Juan Antonio; Åkerstedt, Henrik; Åkesson, Torsten P.A.; Åsman, Barbro; ATLAS, Collaboration (Peer reviewed; Journal article, 2014-10-01)
      This paper presents the electron and photon energy calibration achieved with the ATLAS detector using about 25 fb −1 of LHC proton–proton collision data taken at centre-of-mass energies of s√=7 and 8 TeV. The reconstruction ...